Queues (5 pts.) Answer the following related to stacks and queues (a) What are the basic operations of a queue? ti py (b) Complete the following Stack class. ( pts. public class Stack private int top public Stack) elements-new int(10 top--1 public boolean isEmpty ) return public boolean isFull() public void pushlint item elements[top]- item; public int pop) int top item- elements[topl: return top item